Data Communication and Computer Network
Multimedia
Q. _______ is a standard to allow telephones on the public telephone network to talk to computers connected to the Internet
A.  SIP B.  H.323 C.  Q.991 D.  none of the above
Similar Questions
1. We can divide audio and video services into _______ broad categories.
A.  three B.  two C.  four D.  none of the above
2. ________ audio/video refers to on-demand requests for compressed audio/video files.
A.  Streaming live B.  Streaming stored C.  Interactive D.  none of the above
3. __________ audio/video refers to the broadcasting of radio and TV programs through the Internet.
A.  Interactive B.  Streaming live C.  Streaming stored D.  none of the above
4. _________ audio/video refers to the use of the Internet for interactive audio/video applications.
A.  Interactive B.  Streaming live C.  Streaming stored D.  none of the above
5. According to the Nyquist theorem, we need to sample an analog signal ________times the highest frequency.
A.  three B.  two C.  four D.  none of the above
6. In ________ encoding, the differences between the samples are encoded instead of encoding all the sampled values.
A.  predictive B.  perceptual C.  both a and b D.  none of the above
7. ________ encoding is based on the science of psychoacoustics, which is the study of how people perceive sound
A.  Predictive B.  Perceptual C.  both a and b D.  none of the above
8. ____________ is used to compress images.
A.  MPEG B.  JPEG C.  either a or b D.  none of the above
9. __________ is used to compress video.
A.  MPEG B.  JPEG C.  either a or b D.  none of the above
10. . The first phase of JPEG is ___________
A.  DCT transformation B.  quantization C.  data compression D.  none of the above
DATA COMMUNICATION AND COMPUTER NETWORK TOPICS